5mm
The straw spout is made from food grade silicon. It is a soft mouthpiece that has a 5mm diameter opening that allows for thinner type foods like purees, plain yogurts, and rice cereals.
It is interchangeable with the original spout that comes with The Food Bottle. One size fits all.
12mm
The original spout is made from food grade silicon. It is a soft mouthpiece that has a 12mm diameter opening that allows for chunkier type foods like oatmeals, chunky yoghurts, and even tinned spaghetti!